121003123300212 has 48 divisors (see below), whose sum is σ = 285845278550720. Its totient is φ = 39836716075008.

The previous prime is 121003123300187. The next prime is 121003123300231. The reversal of 121003123300212 is 212003321300121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187615483 + ... + 188259330.

Almost surely, 2^{121003123300212} is an apocalyptic number.

121003123300212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121003123300212 is an abundant number, since it is smaller than the sum of its proper divisors (164842155250508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121003123300212 is a wasteful number, since it uses less digits than its factorization.

121003123300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375875152 (or 375875150 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121003123300212 its reverse (212003321300121), we get a palindrome (333006444600333).

The spelling of 121003123300212 in words is "one hundred twenty-one trillion, three billion, one hundred twenty-three million, three hundred thousand, two hundred twelve".